//segitiga huruf, vyn.
#include <iostream>
using namespace std;
int main()
{
int L;
cout<<"baris :";cin>>L;
for (int i = 1; i <= L; i++)
{
for (int j = L; j > i; j--)
cout<<" ";
int j;
for (j = 1; j<= i; j++)
{char huruf = (char) j + 64;cout<<huruf;}
for (int k = j-2; k>=1; k--)
{char huruf = (char) k + 64;cout<<huruf;}
cout<<endl;
}
system("pause");
}